MLX10803KDC-AAA-000-TU

LED Driver IC Overview

The MLX10803KDC-AAA-000-TU is a high-power LED driver IC from Melexis, designed for single-output linear PWM dimming applications. It operates within a supply voltage range of 6V to 32V and supports an adjustable switching frequency between 500 kHz and 5 MHz. The device delivers a maximum output current of 500 mA and features a low quiescent supply current of 700 µA. Packaged in an 8-SOIC surface-mount format, it functions reliably across an extended temperature range from -40°C to +125°C.

LED Driver IC Feature Summary

• Integrates a single output linear PWM dimming circuit for precise brightness control
• Supports adjustable switching frequencies up to 5 MHz for flexible design implementation
• Designed specifically for driving high-power LEDs with efficient power management

LED Driver IC Applications

• High-power LED lighting systems
• Automotive exterior lighting modules
• Industrial illumination fixtures

LED Driver IC Procurement Notes

Verify component authenticity through authorized Melexis distributors or certified partners. Confirm the specific suffix TU indicates tape-and-reel packaging if required by assembly equipment. Check for end-of-life status as some sources indicate this variant may be obsolete. Ensure compliance with RoHS directives relevant to your region before finalizing procurement decisions.

LED Driver IC Selection Notes

Select this component when a single-channel linear PWM driver is required for high-power LEDs. Consider the 32V maximum input voltage limit and 500mA output capability against load requirements. Evaluate the 8-SOIC package for thermal performance and PCB space constraints. Verify that the 500kHz to 5MHz frequency range aligns with external inductor selection and EMI constraints.

LED Driver IC Part Context

This part belongs to the MLX10803 series of LED drivers from Melexis Technologies NV. It is categorized under Power Management ICs (PMIC) and specifically LED Drivers. The device is distinct from other interface components like LIN transceivers offered by the same manufacturer, focusing solely on optical power regulation.

LED Driver IC Replacement Considerations

Public documentation indicates this specific part number may be obsolete. Consult official Melexis channels for verified substitute part numbers or next-generation replacements. Do not assume functional equivalence with generic LED drivers without verifying pinout and electrical specifications.